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Antigorite and Chalcopyrite Optical Properties


Chalcopyrite and Antigorite Optical Properties


Optical Properties

Luster
Waxy, Silky, Resinous, Greasy   
Not Available   

Pleochroism
pale greenish yellow.   
AbsentWalter Schumann   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Handbook of mineralogy (2001)   

Refractive Index
1.530-1.575   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm   
tetragonal   

Birefringence
Not Available   
Not Available   

Clarity
Translucent   
Handbook of mineralogy (2001)   

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Antigorite and Chalcopyrite Optic Character

Antigorite and Chalcopyrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Antigorite and Chalcopyrite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Antigorite and Chalcopyrite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Antigorite and Chalcopyrite Transparency

Similar to their colors, Antigorite and Chalcopyrite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Antigorite is Translucent while Antigorite is Translucent in appearance.

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